EP1240062A1 - Horizontal lifeline traversing device - Google Patents
Horizontal lifeline traversing deviceInfo
- Publication number
- EP1240062A1 EP1240062A1 EP00984399A EP00984399A EP1240062A1 EP 1240062 A1 EP1240062 A1 EP 1240062A1 EP 00984399 A EP00984399 A EP 00984399A EP 00984399 A EP00984399 A EP 00984399A EP 1240062 A1 EP1240062 A1 EP 1240062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- line
- improvement
- support member
- bar
- paddles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0081—Equipment which can travel along the length of a lifeline, e.g. travelers
- A62B35/0087—Arrangements for bypassing lifeline supports without lanyard disconnection
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0056—Horizontal lifelines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3295—Guide tracks for safety lines
Definitions
- the present invention is directed toward a safety apparatus and more particularly toward a safety apparatus in the form of a load attachment system such as commonly used as a horizontal lifeline.
- the invention includes a load attachment traversing device that engages the lifeline for movement therealong and which can traverse intermediate supports without detachment from the line.
- Horizontal lifelines have been employed for many years to provide fall protection for workers on elevated structures. In fact, such horizontal lifelines are required and have been mandated by safety rules and regulations in many jurisdictions.
- Such lifelines normally consist of a rope or cable suspended between two structures such as the vertical beams of a building or the like which may be 10, 20 or even 100 feet apart.
- a safety harness or safety belt is worn by a worker and a lanyard connected to the harness or belt attaches to the horizontal lifeline or cable.
- the end of the lanyard may include either a loop which can freely move along the length of the lifeline or it may include a grooved roller in the form of a pulley or the like that rolls along the line. This allows the worker to move freely along the length of the lifeline to accomplish his intended tasks.
- the horizontal lifeline In the event that the worker losses his footing or otherwise falls, the horizontal lifeline, through the lanyard and harness or safety belt will arrest the fall and prevent the worker from suffering injury.
- the use of such a lifeline is described, for example, in U.S. Patent Nos. 5,332,071 ; 5,458,214 and 5,598,900.
- the horizontal lifeline In order to function properly, the horizontal lifeline must be sufficiently taught so that the worker's lanyard can easily move across the same and so that the lifeline can function as a steadying rail for the worker, if necessary.
- the lifeline is sufficiently taught so that the same assumes a linear or substantial linear configuration, the resistance force magnitude required to effectively withstand the load impact of a falling worker becomes theoretically exceedingly large.
- the tension in the lifeline is critical since this determines the amount of sag in a lifeline which, in turn, determines the load amplification by which a vertical fall arrest force applied to the lifeline is multiplied by. Therefore, it is important to know the amount of tension applied to a lifeline. In fact, the amount of tension is frequently dictated by safety rules or regulations in many jurisdictions.
- a winch or similar type device is frequently used to tension a horizontal lifeline when the same is in use.
- the lifeline is normally connected to one anchoring point and then passes through the winch.
- the winch in turn, is connected through an anchoring line to the second anchor point.
- a winch-like device for tightening a horizontal lifeline is described, for example in U.S. Patent No. 5,957,432 issued to the present applicant, the subject matter of which is incorporated by reference herein.
- Each of these devices is comprised essentially of an upper portion and a lower portion where one of them is essentially in the form of a rotatable star wheel or the like and the other includes a track adapted to cooperate with the ends of the star wheel.
- the star wheel As the device moves along a line, the star wheel is caused to rotate when it engages an intermediate support and the ends of the star wheel roll or slide across a track on the second portion of the device. It is, therefore, the interaction between the ends of the star wheel and the track on the second member which must support the weight should a worker fall or in the event that loads are being transported by the device. This can create excessive wear and ultimately possible failure which could create a safety hazard.
- these products can be expensive to produce and maintain.
- a load attachment system such as commonly used as a horizontal lifeline safety system includes a substantially horizontal lifeline secured at its ends to a building structure and supported intermittently along its length by intermediate supports. Each support includes a horizontal bar and a partial vertical bar.
- the system further includes a load attachment device having a pair of grooved rollers that rides on the lifeline.
- a load is supported from the bottom of a C-shaped member which has its top connected to the rollers thereby allowing the device to traverse the supports.
- the bottom of the C-shaped member also carries a rotatable paddle wheel which prevents the device from being removed from the line. The paddle wheel rotates when a paddle is engaged by the support's horizontal bar as the device traverses the support.
- each of the intermediate supports includes a pair of horizontal bars.
- a short length of a hollow metal retaining tube is secured to the free ends of the horizontal bars in alignment with the horizontal lifeline which passes therethrough.
- the grooved wheels of the load attachment device ride on the lifeline as in the first embodiment and ride on the upper surface of the retaining tube.
- FIG. 1 is a front elevational view showing the overall arrangement of the load attachment system of the invention as installed on a building or other structure;
- Figure 2 is an enlarged view showing the details of the area surrounded by the arrow 2 in Figure 1 ;
- Figures 3, 4 and 5 are front elevational views, with sections cut away for clarity, illustrating the sequence of the load transferring device traversing an intermediate support member;
- Figure 6 is a perspective view illustrating the details of the invention
- Figure 7 is a perspective view of a second embodiment of the invention
- Figure 8 is front elevational view of the second embodiment of the invention
- Figure 9 is a partial cross-sectional view take through the line 9-9 of Figure 8, and
- Figure 10 is a front elevational view similar to Figure 8 but with sections cut away for clarity.
- FIG. 1 a first embodiment of a load attachment system including an elongated substantially horizontal lifeline designated generally as 10.
- the system is shown connected to a support structure such as a building 12 or the like at each end of the lifeline 14.
- the lifeline 14 is tensioned utilizing a tensioning device such as shown at 16.
- a workman 18 wearing a harness 20 is connected to a lanyard 22.
- the free end of the lanyard 22 is connected to the load attachment traversing device 24 which allows the worker 18 to freely move along the length of the lifeline 14.
- the lifeline 14 may be a hundred or even several hundred feet long.
- one or more support members 26 is intermediately located between the ends of the lifeline.
- the intermediate support members 26, as most clearly shown in Figure 6, are comprised of a support plate 28 which is used to secure the same to a structural support 12 of the building through the use of bolts 30 or the like.
- Mounted to the front face of the plate 28 are a pair of vertically extending tapered walls 32 and 34.
- the forward edges of the tapered walls 32 and 34 are connected by a vertically extending planar wall 36.
- Extending forwardly from the front face 36 is a substantially horizontally oriented bar 38.
- the bar 38 underlies the line 14 and provides vertical support for the line.
- the forwardmost end of the bar 38 extends vertically upwardly and terminates in an end 40 which preferably lies at a location just above the height of the line 14.
- the support member 26 of the invention is provided with a swingable gate system shown generally at 42.
- the swingable gate system 42 includes a bar 44 extending forwardly of the front surface 36 in substantial vertical alignment with the bar 38 but spaced a distance thereabove. Pivoted to the forward end of the bar 44 are a pair of spaced apart plates 46 and 48.
- the plates 46 and 48 are mounted so as to swing freely on the bar 44 and are spaced apart from each other a distance which is slightly greater than the thickness of the bar 38. As best seen in Figure 6, the plates 46 and 48 are just long enough to extend past the upper end 40 of the bar 38 with the plate 46 being located on the outer part of the end 40 while the plate 48 is located adjacent the inner side thereof.
- Bar 50 extends inwardly toward the front face 36 of the support 26 but is spaced therefrom and is not secured to the face 36. Rather, bar 50 swings freely with the plate 48. As a result of gravity, the plates 46 and 48 and the bar 50 are normally in their downward position as shown most clearly in Figure 6. In this position, the bar 50 prevents upward movement of the line 14. This prevents the line 14 from being inadvertently dislodged from the position shown in Figure 6 wherein it is supported on the bar 38.
- the load attachment traversing device 24 of the present invention is also most clearly shown in Figure 6. It is constructed as a truck or trolley type device which is adapted to freely roll on the upper surface of the line 14.
- the device is comprised of a frame member 52 which supports a pair of spaced apart grooved rollers 54 which are arranged in tandem.
- the grooved rollers 54 and 56 are in the form of pulleys or the like and are freely rotatable about axes 58 and 60 carried by the frame member 52.
- the C-shaped member 62 Extending forwardly from the frame member 52 is a substantially C-shaped member 62 having an open center.
- the C-shaped member 62 has an upper arm 64 which extends toward and is secured to the frame 52 which carries the rollers 54 and 56.
- the C-shaped member also includes a substantially vertical portion 66 which extends downwardly to a position below the level of the lower surface of the line 14 and includes a lower arm 68 that extends beneath the arm 14.
- the lower arm 68 is secured to a lower frame member 70 which has an opening 72 formed at the bottom thereof which allows a workman to attach his lanyard or other load to the same.
- the paddle wheel 74 includes a hub 76 and a plurality of radially spaced apart paddles such as shown at 78.
- the outer edge of each paddle has a recess such as shown at 80 on paddle 78.
- the shape of the recess 80 is substantially complementary to the cross-sectional shape of the lower half of the line 14.
- the traversing device 24 can easily ride throughout the length of the line 14 while traversing each of the support members 26.
- the manner in which this is done should be readily apparent from Figures 3, 4, 5 and 6.
- the load traversing device 24 is moving from left to right as shown in Figure 2.
- the forward roller 54 and a forward portion of the frame 52 begin to extend beneath the bar 44.
- the bar 38 enters an opening between two of the paddles 78 in the upper forward portion of the paddle wheel.
- the upper arm 64 will cause the swinging gate 42 to pivot to the right and upwardly as shown in Figures 3 and 4.
- the bar 38 will cause the paddle wheel 74 to rotate counterclockwise as shown in Figures 3 and 4.
- the lower portion of the line 14 fits into the recess 80 at the outer edge 78.
- the paddle wheel continues to rotate so that the bar 38 is now on the trailing side of the paddle wheel and the gate 42 is substantially horizontal as shown in Figure 5. As the traversing device continues on, the gate 42 will eventually fall back into the position shown in Figure 6.
- the number and size of the paddles 78 on the paddle wheel 74 are chosen so that the traversing device 24 can never be lifted up off of the line 14. At least one and frequently two paddles of the paddle wheel will always be in a position so as to interfere with the traversing device 24 from being lifted off of the line.
- the second embodiment of the invention shown in Figures 7, 8, 9 and 10 is very similar to the first embodiment described above and functions in essentially the same manner.
- corresponding elements shown in the second embodiment in Figures 7-10 are marked with the same numerals as similar elements in the first embodiment but are preceded by the number 1.
- the intermediate support member 26 of the first embodiment attached to the building structure 12 is illustrated in the second embodiment as the intermediate support member 126 attached to the building structure 112.
- both the intermediate support members 126 and the load attachment traversing device 124 differ from the intermediate support members 26 and load attachment traversing device 24 of the first embodiment.
- the intermadiate support member 26 be used only with the load attachment traversing device 24 and that the intermediate support members 126 be used only with the load attachment traversing device 124.
- the load attachment traversing device 124 of the second embodiment can be used with the intermediate support member 26 of the first embodiment.
- the second embodiment of the invention includes a retaining member in the form of an elongated tube 142 which allows the horizontal lifeline 114 to pass therethrough.
- the tube includes tapered ends such as shown at 144a and 144b and is supported on the mounting member 128 by a pair of substantially horizontally oriented bars 138a and 138b.
- the lower part of the tube 142 is preferably welded or otherwise secured to the forward upper surfaces of the bars 138a and 138b.
- the tube 142 is of relatively small diameter, just slightly larger than the diameter of the line 114. Thus, either of the load attachment traversing devices 124 or 24 can easily ride over the top thereof in the same manner as the same rides on the line 114.
- the tapered ends 144a and 144b of the tube 142 provide for a smooth transition of the load attachment traversing device 124 over the intermediate support member 126.
- the paddle wheel 174 carried by the lower arm 168 of the load attachment traversing device 124 allows the device to pass the intermediate support member 126 by allowing the horizontal bars 138a and 138b to enter the spaces between the individual paddles 178 of the paddle wheel 174 while still preventing the load attachment traversing device 124 from being removed from the line 114.
- the intermediate support member 126 of the second embodiment utilizes a tube 142 to retain the line 114, it should be readily apparent that a single ring or a pair of rings could be used in lieu of the tube. Furthermore, neither the rings nor the tube necessarily must pass totally around the circumference of the line 114. All that is required is that it pass sufficiently around the circumference so as to substantially retain the line in place and to prevent it from being dislodged.
- the load attachment traversing device 124 of the second embodiment closely resembles both in function and in structure the load attachment traversing device 24 of the first embodiment. However, rather than including a separate C-shaped member 62 having an open center and having upper and lower arms to which the various components are attached, the load attachment traversing device 124 is formed more of a single solid member. However, it continues to have essentially the same structural parts including a substantially C-shaped member 162 having an upper arm 164 which extends toward and is formed as part of the frame 152 which carries rollers 154 and 156.
- the C-shaped member 162 also includes a substantially vertical portion 166 which extends downwardly to a position below the level of the lower surface of the line 114 and includes a lower arm 168 carrying an axle 169 supporting the paddle wheel 174. Also secured to the lower arm 168 is a lower frame member 170 having an opening 172 formed therein which allows a workman to attach his lanyard or other load to the same.
- each of the paddles 178 of the paddle wheel 174 includes a recess therein such as shown at 180.
- the recess is larger and substantially rectangular in cross section and the paddle wheels themselves are longer and wider.
- the free ends of the paddle wheels extend on either side of the rollers 154 and 156 as shown most clearly in Figures 9 and 10 to provide a more positive securement of the traversing device 124 to the line 114.
- system of the present invention has been described with particular reference to a horizontal lifeline and the ability to prevent injury to a workman who may accidentally fall, it should be readily apparent that the system has a variety of other uses. By way of example and not limitation, it could be used to transport substantially any load along the length of a line which may have intermediate support members.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/461,583 US6311625B1 (en) | 1999-12-15 | 1999-12-15 | Horizontal lifeline traversing device |
US461583 | 1999-12-15 | ||
PCT/US2000/033978 WO2001044034A1 (en) | 1999-12-15 | 2000-12-15 | Horizontal lifeline traversing device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1240062A1 true EP1240062A1 (en) | 2002-09-18 |
EP1240062A4 EP1240062A4 (en) | 2003-03-19 |
EP1240062B1 EP1240062B1 (en) | 2004-06-23 |
Family
ID=23833164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00984399A Expired - Lifetime EP1240062B1 (en) | 1999-12-15 | 2000-12-15 | Horizontal lifeline traversing device |
Country Status (7)
Country | Link |
---|---|
US (2) | US6311625B1 (en) |
EP (1) | EP1240062B1 (en) |
AT (1) | ATE269805T1 (en) |
AU (1) | AU2102301A (en) |
CA (1) | CA2394593C (en) |
DE (1) | DE60011811T2 (en) |
WO (1) | WO2001044034A1 (en) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9823320D0 (en) * | 1998-10-23 | 1998-12-23 | Latchways Plc | Two-way locking device for height safety apparatus |
US6311625B1 (en) * | 1999-12-15 | 2001-11-06 | Meyer Ostrobrod | Horizontal lifeline traversing device |
FR2803761B1 (en) * | 2000-01-17 | 2002-03-29 | Rodolphe Argoud | ANTI-FALL DEVICE |
CA2423380A1 (en) * | 2002-03-27 | 2003-09-27 | Georges Begin | Support device with load-transfer functionality for supporting an intermediate portion of an elongated element |
FR2843180B1 (en) * | 2002-08-02 | 2004-09-24 | Zedel | DOUBLE PULLEY DEVICE FOR USE ON A ZIP LINE OR ROPE |
US7416054B2 (en) * | 2004-10-25 | 2008-08-26 | James Liggett | Cable hook tracking system |
BE1016931A4 (en) * | 2005-06-14 | 2007-10-02 | Exponent Challenge Technology | IMPROVED MULTIPLE FALL PROTECTION WITH FLEXIBLE ANCHOR LINE. |
JP3831791B1 (en) * | 2005-10-07 | 2006-10-11 | 幹男 小野山 | Safety strapping device |
AU2007354836A1 (en) * | 2007-06-13 | 2008-12-18 | Exponent Challenge Technology Cooperatieve vennootschap met beperkte aansprakelijkheid | Fall arrest assembly |
US7721655B1 (en) * | 2007-09-19 | 2010-05-25 | Riggie Donald E | Transport system |
DE102008011173A1 (en) * | 2008-02-26 | 2009-09-10 | Bornack Gmbh & Co. Kg | safety device |
US7748326B2 (en) * | 2008-07-24 | 2010-07-06 | Gm Global Technology Operations, Inc. | Docking station for rail trolley |
WO2010024566A2 (en) * | 2008-08-23 | 2010-03-04 | Kim In-Sang | Large rideable bipedal walking robot for use as an amusement park ride, and amusement park system using same |
KR101074451B1 (en) | 2009-04-23 | 2011-10-18 | (주)미니로봇 | wire control device for mapipulating robot |
GB0915277D0 (en) | 2009-09-02 | 2009-10-07 | Latchways Plc | Safety line traveller |
KR101316563B1 (en) * | 2009-11-27 | 2013-10-15 | 스카이라인집라인 글로벌 엘엘씨 | Zipline trolley system |
US8616332B2 (en) * | 2010-03-22 | 2013-12-31 | Ihi E&C International Corporation | Portable vehicle-stabilized mast and fall protection system |
US8807044B2 (en) * | 2010-09-15 | 2014-08-19 | James Liggett | Puck key transition system |
US9480865B2 (en) * | 2012-03-13 | 2016-11-01 | Bmc | Fall arrest system |
US9162092B2 (en) | 2013-08-30 | 2015-10-20 | Meyer Ostrobrod | Horizontal lifeline traversing device |
US10046745B2 (en) | 2014-03-20 | 2018-08-14 | TruBlue LLC | Cable-traversing trolley adapted for use with impact braking |
US9120023B1 (en) * | 2014-05-08 | 2015-09-01 | Elizabeth Wales Burroughs | Human flying apparatus |
CN107206978B (en) | 2014-08-20 | 2020-06-02 | 特鲁布鲁有限公司 | Eddy current braking device for rotating system |
US9321465B1 (en) * | 2014-10-08 | 2016-04-26 | Jose Cazares | Child walker track system |
US10544822B2 (en) | 2017-02-01 | 2020-01-28 | TruBlue LLC | Double-lock carabiner |
JP6967218B2 (en) * | 2017-06-26 | 2021-11-17 | 藤井電工株式会社 | Cutout |
EP3655114B1 (en) * | 2017-07-20 | 2023-06-28 | Westinghouse Electric Company Llc | Safety system |
US10449399B2 (en) * | 2017-09-14 | 2019-10-22 | Werner Co. | Horizontal lifeline system and method of adjusting a horizontal lifeline system |
USD869937S1 (en) | 2017-10-18 | 2019-12-17 | TruBlue LLC | Handle bar |
USD834402S1 (en) | 2017-10-18 | 2018-11-27 | TruBlue LLC | Zipline trolley |
USD841440S1 (en) | 2017-10-18 | 2019-02-26 | TruBlue LLC | Carabiner |
USD862205S1 (en) | 2017-10-18 | 2019-10-08 | TruBlue LLC | Zipline trolley |
CN210134797U (en) * | 2019-05-14 | 2020-03-10 | 江井精密工业股份有限公司 | Slidable ladder device |
WO2021092022A1 (en) | 2019-11-05 | 2021-05-14 | TruBlue LLC | Carabiner |
USD945252S1 (en) | 2019-12-18 | 2022-03-08 | TruBlue LLC | Carabiner |
KR102370644B1 (en) * | 2021-06-17 | 2022-03-03 | 이승 | Hanger for safety rope |
CN113914647B (en) * | 2021-12-13 | 2022-03-01 | 江苏鸿恩智能科技有限公司 | Circular top type building circumferential transverse moving climbing frame chain and assembly thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0404391A1 (en) * | 1989-06-20 | 1990-12-27 | Latchways Limited | Load attachment, traversing device |
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US1122024A (en) | 1913-06-30 | 1914-12-22 | Daniel Bradley O'connell | Transmission-carrier. |
US1429007A (en) | 1921-03-07 | 1922-09-12 | Victor J Thurlow | Trolley |
GB1582201A (en) | 1978-03-30 | 1981-01-07 | Tupper A W | Load-transfer device |
GB2049592B (en) | 1979-04-06 | 1983-12-14 | Tupper A W | Apparatus for suspending locating moving or fastening loads |
US4313236A (en) | 1979-09-13 | 1982-02-02 | Alan William Tupper | Safety equipment for boats |
GB2096957B (en) | 1981-04-16 | 1984-10-31 | Tupper Alan William | Load-transfer system |
GB2096958B (en) | 1981-04-16 | 1984-10-31 | Tupper Alan William | Load-transfer or traversing device |
US4470354A (en) * | 1981-07-06 | 1984-09-11 | Tupper Alan W | Load-transfer device |
US4458603A (en) | 1981-09-16 | 1984-07-10 | Larry Voecks | Star guard mechanism for ski lift system |
GB2134468B (en) | 1983-02-02 | 1986-11-05 | Latchways Ltd | Line attachment device and system |
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US5332071A (en) | 1993-03-09 | 1994-07-26 | Sinco Incorporated | Shock absorber for safety cable system |
GB2291846A (en) * | 1994-07-19 | 1996-02-07 | Latchways Ltd | Removable load transfer device |
US5598900A (en) | 1994-10-21 | 1997-02-04 | Surety Manufacturing & Testing Ltd. | Horizontal lifeline energy absorber |
US5957432A (en) | 1997-10-23 | 1999-09-28 | Ostrobrod; Meyer | Safety apparatus for horizontal lifeline |
US6311625B1 (en) * | 1999-12-15 | 2001-11-06 | Meyer Ostrobrod | Horizontal lifeline traversing device |
-
1999
- 1999-12-15 US US09/461,583 patent/US6311625B1/en not_active Expired - Fee Related
-
2000
- 2000-12-15 US US10/168,353 patent/US6640727B2/en not_active Expired - Lifetime
- 2000-12-15 AT AT00984399T patent/ATE269805T1/en not_active IP Right Cessation
- 2000-12-15 DE DE60011811T patent/DE60011811T2/en not_active Expired - Lifetime
- 2000-12-15 WO PCT/US2000/033978 patent/WO2001044034A1/en active IP Right Grant
- 2000-12-15 AU AU21023/01A patent/AU2102301A/en not_active Abandoned
- 2000-12-15 CA CA002394593A patent/CA2394593C/en not_active Expired - Fee Related
- 2000-12-15 EP EP00984399A patent/EP1240062B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0404391A1 (en) * | 1989-06-20 | 1990-12-27 | Latchways Limited | Load attachment, traversing device |
Non-Patent Citations (1)
Title |
---|
See also references of WO0144034A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6640727B2 (en) | 2003-11-04 |
AU2102301A (en) | 2001-06-25 |
DE60011811T2 (en) | 2005-07-14 |
DE60011811D1 (en) | 2004-07-29 |
EP1240062B1 (en) | 2004-06-23 |
CA2394593A1 (en) | 2001-06-21 |
US6311625B1 (en) | 2001-11-06 |
WO2001044034A1 (en) | 2001-06-21 |
CA2394593C (en) | 2005-11-22 |
US20020189488A1 (en) | 2002-12-19 |
EP1240062A4 (en) | 2003-03-19 |
ATE269805T1 (en) | 2004-07-15 |
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